16331-85-4

• 常用中文名：二氢砷酸铯
• 常用英文名：Cesium dihydrogen arsenate
• CAS号：16331-85-4
• 分子式：AsCsH₂O₄
• 分子量：273.84100
• 发布时间：2018-07-08 12:30:41
• 更新时间：2024-01-11 15:31:42

名称

• 中文名: 二氢砷酸铯
• 英文名: cesium,dihydrogen arsorate
• 英文别名: CDA; MFCD00143942; CDA (frequency multiplier); Arsenic acid cesium salt; Arsenic acid (H3AsO4),monocesium salt (8CI,9CI); Cesium dihydrogen arsenate (CsH2AsO4); Cesiumhydrogen arsenate (CsH2AsO4); Cesium dihydrogen arsenate; Cesium arsenate(CsH2AsO4) (6CI)

物化性质

• 分子式: AsCsH₂O₄
• 分子量: 273.84100
• 精确质量: 273.82200
• PSA: 80.59000
• 储存条件:

  常温密闭避光，通风干燥惰性气体下

• 稳定性:

  常温常压下稳定

  避免的物料： 酸
• 计算化学:

  1.疏水参数计算参考值（XlogP）:无

  2.氢键供体数量:2

  3.氢键受体数量:4

  4.可旋转化学键数量:0

  5.互变异构体数量:无

  6.拓扑分子极性表面积80.6

  7.重原子数量:6

  8.表面电荷:0

  9.复杂度:61.9

  10.同位素原子数量:0

  11.确定原子立构中心数量:0

  12.不确定原子立构中心数量:0

  13.确定化学键立构中心数量:0

  14.不确定化学键立构中心数量:0

  15.共价键单元数量:2

• 更多:

  1.性状：未确定

  2.密度（g/mL,25/4℃）：未确定

  3.相对蒸汽密度（g/mL,空气=1）：未确定

  4.熔点（ºC）：未确定

  5.沸点（ºC,常压）：未确定

  6.沸点（ºC,5.2kPa）：未确定

  7.折射率：未确定

  8.闪点（ºC）：未确定

  9.比旋光度（º）：未确定

  10.自燃点或引燃温度（ºC）：未确定

  11.蒸气压（kPa,25ºC）：未确定

  12.饱和蒸气压（kPa,60ºC）：未确定

  13.燃烧热（KJ/mol）：未确定

  14.临界温度（ºC）：未确定

  15.临界压力（KPa）：未确定

  16.油水（辛醇/水）分配系数的对数值：未确定

  17.爆炸上限（%,V/V）：未确定

  18.爆炸下限（%,V/V）：未确定

  19.溶解性：未确定

毒性和生态

毒理学数据: 急性毒性：小鼠口经LD50:335 mg/kg 生态学数据: 对水体是极其危害的，即使小量产品不能接触地下水，水道或污水系统，未经政府许可勿将材料排入周围环境。 CHEMICAL IDENTIFICATION RTECS NUMBER : EV5790000 CHEMICAL NAME : Caesium arsenate CAS REGISTRY NUMBER : 16331-85-4 LAST UPDATED : 199610 DATA ITEMS CITED : 7 MOLECULAR FORMULA : As-H3-O4.Cs MOLECULAR WEIGHT : 274.86 HEALTH HAZARD DATA ACUTE TOXICITY DATA TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 335 mg/kg TOXIC EFFECTS : Behavioral - wakefulness Behavioral - somnolence (general depressed activity) Behavioral - muscle contraction or spasticity REFERENCE : GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 21(1),29,1977 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 116 mg/kg TOXIC EFFECTS : Behavioral - wakefulness Behavioral - somnolence (general depressed activity) Behavioral - muscle contraction or spasticity REFERENCE : GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 21(1),29,1977 ** OTHER MULTIPLE DOSE TOXICITY DATA ** TYPE OF TEST : TCLo - Lowest published toxic concentration ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 13400 ug/m3/4H/4W-I TOXIC EFFECTS : Brain and Coverings - recordings from specific areas of CNS Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Nutritional and Gross Metabolic - changes in calcium REFERENCE : GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 21(1),29,1977 TYPE OF TEST : TCLo - Lowest published toxic concentration ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 4960 ug/m3/4H/17W-I TOXIC EFFECTS : Vascular - BP lowering not characterized in autonomic section Liver - liver function tests impaired Nutritional and Gross Metabolic - weight loss or decreased weight gain REFERENCE : VAMNAQ Vestnik Akademii Meditsinskikh Nauk SSSR. Journal of the Academy of Medical Sciences of the USSR. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1946- Volume(issue)/page/year: (8),10,1978 ** REPRODUCTIVE DATA ** TYPE OF TEST : TCLo - Lowest published toxic concentration ROUTE OF EXPOSURE : Inhalation DOSE : 4600 ug/m3/24H SEX/DURATION : female 1-22 day(s) after conception TOXIC EFFECTS : Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) REFERENCE : VAMNAQ Vestnik Akademii Meditsinskikh Nauk SSSR. Journal of the Academy of Medical Sciences of the USSR. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1946- Volume(issue)/page/year: (8),10,1978 TYPE OF TEST : TCLo - Lowest published toxic concentration ROUTE OF EXPOSURE : Inhalation DOSE : 430 ug/m3/24H SEX/DURATION : female 1-22 day(s) after conception REFERENCE : VAMNAQ Vestnik Akademii Meditsinskikh Nauk SSSR. Journal of the Academy of Medical Sciences of the USSR. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1946- Volume(issue)/page/year: (8),10,1978 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO ARSENIC, INORGANIC-air:CA CL 0.002 mg(As)/m3/15M REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992

安全

• 风险声明 (欧洲): R23/25;R50/53
• 安全声明 (欧洲): S28;S45;S60;S61
• 危险品运输编码: UN 1557
• 包装等级: II
• 危险类别: 6.1
• 海关编码: 2931900090

海关

海关编码	2931900090
中文概述	2931900090. 其他有机-无机化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:AB(入境货物通关单,出境货物通关单). 最惠国关税:6.5%. 普通关税:30.0%
Summary	2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%